It was that "Flat land with poor drainage led to salinization from irrigation waters," that was a factor in the decline of Sumer, since this led to a build up of salt in the soil, which greatly reduced agricultural output.
Answer:
The decolonization of West African countries
Explanation:
That would be the Carolingian dynasty. "Carolingian" is a word stemming from medieval Latin, "karolingi," meaning "descendant of Charles." ("Carol" and "Charles" are essentially the same name in different languages.) So those who came after Charles Martel in his family line get the name "Carolingian."
By the way, Charles "Martel" is Charles plus his nickname -- Carolus Martellus (in Latin) means "Charles The Hammer." Think of it like a wrestlers' nickname, but here we're talking a strong warrior who rose to power by winning battles.
Charlemagne, the most famous member of the Carolingian dynasty, is "Carolus Magnus" (in Latin) or "Charles the Great." Personally, I like to call him "Big Chuckie" ... but I think I'm the only one who refers to him that way. ;-)
There was an estimated 6 million cars on the road in 1930.
Explanation:
Alexander's quest spread Greek culture. His reign marked the beginning of a new area known as the Hellenistic age. It was called the Hellenistic age because of the powerful influence that Greek culture had in other people.